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OpenStudy (anonymous):
What is the magnitude of the sum of the following vectors. (4,5) (-2,2)
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OpenStudy (anonymous):
OpenStudy (irishboy123):
1 add them to get a vector that is the sum 2 find magnitude of sum (think "length") using pythagoreas
OpenStudy (anonymous):
(2,7)
OpenStudy (irishboy123):
(4,5)+ (-2,2) = <2, 7> hard work done, now use Pythag.
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